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          plot与qplot在同组数据下的显示错误问题
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               2012年10月22日 下午5:00
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              <p>
               标题：
               <br/>
               —–
               <br/>
               plot与qplot在同组数据下的显示错误问题
              </p>
              <p>
               问题描述：
               <br/>
               ———
               <br/>
               最近发现一个问题，不知大家是否遇到过。同一组数据（附录A）使用plot显示正常，
               <br/>
               但是当使用qplot显示时会出现错误。错误主要表现为，当曲线在1979到大约1989日
               <br/>
               期附近这一区间会脱离正常曲线趋势，而这一段源数据上并没有这样的巨大的落差。
               <br/>
               这种情况还出现在ggplot绘图上，而且在数据上并不仅限此组数据，还在其他多数
               <br/>
               类似数据上出现。现不知是否是数据问题还是qplot的参数设置问题。望碰到过此问
               <br/>
               题的朋友给予回应。谢谢
               <br/>
               注：以下为数据属性、执行代码及源数据信息–数据较多还望见谅。。
              </p>
              <p>
               数据属性信息说明：
               <br/>
               —————–
               <br/>
               # data_var为数据框数据变量
               <br/>
               &gt; class(data_var) #–类为数据框
               <br/>
               [1] “data.frame”
               <br/>
               # 列名
               <br/>
               &gt; colnames(data_var) #–列名
               <br/>
               [1] “DATE”  “VALUE”
               <br/>
               # 行数
               <br/>
               &gt; length(data_var[,1]) #–行数
               <br/>
               [1] 1125
              </p>
              <p>
               #———-
               <br/>
               #执行代码段
               <br/>
               #———-
               <br/>
               #设置绘图参数
               <br/>
               par(mar=c(4,4,1,0.))
               <br/>
               #创建plot图
               <br/>
               plot(data_var)
               <br/>
               #创建qplot图
               <br/>
               qplot(DATE,VALUE,data=data_var)
              </p>
              <p>
               #–CODE END
              </p>
              <p>
               附录A:
               <br/>
               ——
              </p>
              <p>
               源数据：
               <br/>
               ———-
               <br/>
               DATE VALUE
               <br/>
               1   1919-01-01  5.35
               <br/>
               2   1919-02-01  5.35
               <br/>
               3   1919-03-01  5.39
               <br/>
               4   1919-04-01  5.44
               <br/>
               5   1919-05-01  5.39
               <br/>
               6   1919-06-01  5.40
               <br/>
               7   1919-07-01  5.44
               <br/>
               8   1919-08-01  5.56
               <br/>
               9   1919-09-01  5.60
               <br/>
               10  1919-10-01  5.54
               <br/>
               11  1919-11-01  5.66
               <br/>
               12  1919-12-01  5.73
               <br/>
               13  1920-01-01  5.75
               <br/>
               14  1920-02-01  5.86
               <br/>
               15  1920-03-01  5.92
               <br/>
               16  1920-04-01  6.04
               <br/>
               17  1920-05-01  6.25
               <br/>
               18  1920-06-01  6.38
               <br/>
               19  1920-07-01  6.34
               <br/>
               20  1920-08-01  6.30
               <br/>
               21  1920-09-01  6.22
               <br/>
               22  1920-10-01  6.05
               <br/>
               23  1920-11-01  6.08
               <br/>
               24  1920-12-01  6.26
               <br/>
               25  1921-01-01  6.14
               <br/>
               26  1921-02-01  6.08
               <br/>
               27  1921-03-01  6.08
               <br/>
               28  1921-04-01  6.06
               <br/>
               29  1921-05-01  6.11
               <br/>
               30  1921-06-01  6.18
               <br/>
               31  1921-07-01  6.12
               <br/>
               32  1921-08-01  5.99
               <br/>
               33  1921-09-01  5.93
               <br/>
               34  1921-10-01  5.84
               <br/>
               35  1921-11-01  5.60
               <br/>
               36  1921-12-01  5.50
               <br/>
               37  1922-01-01  5.34
               <br/>
               38  1922-02-01  5.29
               <br/>
               39  1922-03-01  5.23
               <br/>
               40  1922-04-01  5.15
               <br/>
               41  1922-05-01  5.13
               <br/>
               42  1922-06-01  5.08
               <br/>
               43  1922-07-01  5.00
               <br/>
               44  1922-08-01  4.96
               <br/>
               45  1922-09-01  4.93
               <br/>
               46  1922-10-01  4.97
               <br/>
               47  1922-11-01  5.09
               <br/>
               48  1922-12-01  5.08
               <br/>
               49  1923-01-01  5.04
               <br/>
               50  1923-02-01  5.07
               <br/>
               51  1923-03-01  5.13
               <br/>
               52  1923-04-01  5.22
               <br/>
               53  1923-05-01  5.16
               <br/>
               54  1923-06-01  5.15
               <br/>
               55  1923-07-01  5.14
               <br/>
               56  1923-08-01  5.08
               <br/>
               57  1923-09-01  5.12
               <br/>
               58  1923-10-01  5.11
               <br/>
               59  1923-11-01  5.09
               <br/>
               60  1923-12-01  5.09
               <br/>
               61  1924-01-01  5.09
               <br/>
               62  1924-02-01  5.09
               <br/>
               63  1924-03-01  5.10
               <br/>
               64  1924-04-01  5.08
               <br/>
               65  1924-05-01  5.04
               <br/>
               66  1924-06-01  4.99
               <br/>
               67  1924-07-01  4.95
               <br/>
               68  1924-08-01  4.95
               <br/>
               69  1924-09-01  4.95
               <br/>
               70  1924-10-01  4.92
               <br/>
               71  1924-11-01  4.94
               <br/>
               72  1924-12-01  4.95
               <br/>
               73  1925-01-01  4.95
               <br/>
               74  1925-02-01  4.95
               <br/>
               75  1925-03-01  4.91
               <br/>
               76  1925-04-01  4.87
               <br/>
               77  1925-05-01  4.83
               <br/>
               78  1925-06-01  4.83
               <br/>
               79  1925-07-01  4.87
               <br/>
               80  1925-08-01  4.90
               <br/>
               81  1925-09-01  4.87
               <br/>
               82  1925-10-01  4.85
               <br/>
               83  1925-11-01  4.84
               <br/>
               84  1925-12-01  4.85
               <br/>
               85  1926-01-01  4.82
               <br/>
               86  1926-02-01  4.77
               <br/>
               87  1926-03-01  4.79
               <br/>
               88  1926-04-01  4.74
               <br/>
               89  1926-05-01  4.71
               <br/>
               90  1926-06-01  4.72
               <br/>
               91  1926-07-01  4.71
               <br/>
               92  1926-08-01  4.72
               <br/>
               93  1926-09-01  4.72
               <br/>
               94  1926-10-01  4.71
               <br/>
               95  1926-11-01  4.68
               <br/>
               96  1926-12-01  4.68
               <br/>
               97  1927-01-01  4.66
               <br/>
               98  1927-02-01  4.67
               <br/>
               99  1927-03-01  4.62
               <br/>
               100 1927-04-01  4.58
               <br/>
               101 1927-05-01  4.57
               <br/>
               102 1927-06-01  4.58
               <br/>
               103 1927-07-01  4.60
               <br/>
               104 1927-08-01  4.56
               <br/>
               105 1927-09-01  4.54
               <br/>
               106 1927-10-01  4.51
               <br/>
               107 1927-11-01  4.49
               <br/>
               108 1927-12-01  4.46
               <br/>
               109 1928-01-01  4.46
               <br/>
               110 1928-02-01  4.46
               <br/>
               111 1928-03-01  4.46
               <br/>
               112 1928-04-01  4.46
               <br/>
               113 1928-05-01  4.49
               <br/>
               114 1928-06-01  4.57
               <br/>
               115 1928-07-01  4.61
               <br/>
               116 1928-08-01  4.64
               <br/>
               117 1928-09-01  4.61
               <br/>
               118 1928-10-01  4.61
               <br/>
               119 1928-11-01  4.58
               <br/>
               120 1928-12-01  4.61
               <br/>
               121 1929-01-01  4.62
               <br/>
               122 1929-02-01  4.66
               <br/>
               123 1929-03-01  4.70
               <br/>
               124 1929-04-01  4.69
               <br/>
               125 1929-05-01  4.70
               <br/>
               126 1929-06-01  4.77
               <br/>
               127 1929-07-01  4.77
               <br/>
               128 1929-08-01  4.79
               <br/>
               129 1929-09-01  4.80
               <br/>
               130 1929-10-01  4.77
               <br/>
               131 1929-11-01  4.76
               <br/>
               132 1929-12-01  4.67
               <br/>
               133 1930-01-01  4.66
               <br/>
               134 1930-02-01  4.69
               <br/>
               135 1930-03-01  4.62
               <br/>
               136 1930-04-01  4.60
               <br/>
               137 1930-05-01  4.60
               <br/>
               138 1930-06-01  4.57
               <br/>
               139 1930-07-01  4.52
               <br/>
               140 1930-08-01  4.47
               <br/>
               141 1930-09-01  4.42
               <br/>
               142 1930-10-01  4.42
               <br/>
               143 1930-11-01  4.47
               <br/>
               144 1930-12-01  4.52
               <br/>
               145 1931-01-01  4.42
               <br/>
               146 1931-02-01  4.43
               <br/>
               147 1931-03-01  4.39
               <br/>
               148 1931-04-01  4.40
               <br/>
               149 1931-05-01  4.37
               <br/>
               150 1931-06-01  4.36
               <br/>
               151 1931-07-01  4.36
               <br/>
               152 1931-08-01  4.40
               <br/>
               153 1931-09-01  4.55
               <br/>
               154 1931-10-01  4.99
               <br/>
               155 1931-11-01  4.94
               <br/>
               156 1931-12-01  5.32
               <br/>
               157 1932-01-01  5.20
               <br/>
               158 1932-02-01  5.23
               <br/>
               159 1932-03-01  4.98
               <br/>
               160 1932-04-01  5.17
               <br/>
               161 1932-05-01  5.36
               <br/>
               162 1932-06-01  5.41
               <br/>
               163 1932-07-01  5.26
               <br/>
               164 1932-08-01  4.91
               <br/>
               165 1932-09-01  4.70
               <br/>
               166 1932-10-01  4.64
               <br/>
               167 1932-11-01  4.63
               <br/>
               168 1932-12-01  4.59
               <br/>
               169 1933-01-01  4.44
               <br/>
               170 1933-02-01  4.48
               <br/>
               171 1933-03-01  4.68
               <br/>
               172 1933-04-01  4.78
               <br/>
               173 1933-05-01  4.63
               <br/>
               174 1933-06-01  4.46
               <br/>
               175 1933-07-01  4.36
               <br/>
               176 1933-08-01  4.30
               <br/>
               177 1933-09-01  4.36
               <br/>
               178 1933-10-01  4.34
               <br/>
               179 1933-11-01  4.54
               <br/>
               180 1933-12-01  4.50
               <br/>
               181 1934-01-01  4.35
               <br/>
               182 1934-02-01  4.20
               <br/>
               183 1934-03-01  4.13
               <br/>
               184 1934-04-01  4.07
               <br/>
               185 1934-05-01  4.01
               <br/>
               186 1934-06-01  3.93
               <br/>
               187 1934-07-01  3.89
               <br/>
               188 1934-08-01  3.93
               <br/>
               189 1934-09-01  3.96
               <br/>
               190 1934-10-01  3.90
               <br/>
               191 1934-11-01  3.86
               <br/>
               192 1934-12-01  3.81
               <br/>
               193 1935-01-01  3.77
               <br/>
               194 1935-02-01  3.69
               <br/>
               195 1935-03-01  3.67
               <br/>
               196 1935-04-01  3.66
               <br/>
               197 1935-05-01  3.65
               <br/>
               198 1935-06-01  3.61
               <br/>
               199 1935-07-01  3.56
               <br/>
               200 1935-08-01  3.60
               <br/>
               201 1935-09-01  3.59
               <br/>
               202 1935-10-01  3.52
               <br/>
               203 1935-11-01  3.47
               <br/>
               204 1935-12-01  3.44
               <br/>
               205 1936-01-01  3.37
               <br/>
               206 1936-02-01  3.32
               <br/>
               207 1936-03-01  3.29
               <br/>
               208 1936-04-01  3.29
               <br/>
               209 1936-05-01  3.27
               <br/>
               210 1936-06-01  3.24
               <br/>
               211 1936-07-01  3.23
               <br/>
               212 1936-08-01  3.21
               <br/>
               213 1936-09-01  3.18
               <br/>
               214 1936-10-01  3.18
               <br/>
               215 1936-11-01  3.15
               <br/>
               216 1936-12-01  3.10
               <br/>
               217 1937-01-01  3.10
               <br/>
               218 1937-02-01  3.22
               <br/>
               219 1937-03-01  3.32
               <br/>
               220 1937-04-01  3.42
               <br/>
               221 1937-05-01  3.33
               <br/>
               222 1937-06-01  3.28
               <br/>
               223 1937-07-01  3.25
               <br/>
               224 1937-08-01  3.24
               <br/>
               225 1937-09-01  3.28
               <br/>
               226 1937-10-01  3.27
               <br/>
               227 1937-11-01  3.24
               <br/>
               228 1937-12-01  3.21
               <br/>
               229 1938-01-01  3.17
               <br/>
               230 1938-02-01  3.20
               <br/>
               231 1938-03-01  3.22
               <br/>
               232 1938-04-01  3.30
               <br/>
               233 1938-05-01  3.22
               <br/>
               234 1938-06-01  3.26
               <br/>
               235 1938-07-01  3.22
               <br/>
               236 1938-08-01  3.18
               <br/>
               237 1938-09-01  3.21
               <br/>
               238 1938-10-01  3.15
               <br/>
               239 1938-11-01  3.10
               <br/>
               240 1938-12-01  3.08
               <br/>
               241 1939-01-01  3.01
               <br/>
               242 1939-02-01  3.00
               <br/>
               243 1939-03-01  2.99
               <br/>
               244 1939-04-01  3.02
               <br/>
               245 1939-05-01  2.97
               <br/>
               246 1939-06-01  2.92
               <br/>
               247 1939-07-01  2.89
               <br/>
               248 1939-08-01  2.93
               <br/>
               249 1939-09-01  3.25
               <br/>
               250 1939-10-01  3.15
               <br/>
               251 1939-11-01  3.00
               <br/>
               252 1939-12-01  2.94
               <br/>
               253 1940-01-01  2.88
               <br/>
               254 1940-02-01  2.86
               <br/>
               255 1940-03-01  2.84
               <br/>
               256 1940-04-01  2.82
               <br/>
               257 1940-05-01  2.93
               <br/>
               258 1940-06-01  2.96
               <br/>
               259 1940-07-01  2.88
               <br/>
               260 1940-08-01  2.85
               <br/>
               261 1940-09-01  2.82
               <br/>
               262 1940-10-01  2.79
               <br/>
               263 1940-11-01  2.75
               <br/>
               264 1940-12-01  2.71
               <br/>
               265 1941-01-01  2.75
               <br/>
               266 1941-02-01  2.78
               <br/>
               267 1941-03-01  2.80
               <br/>
               268 1941-04-01  2.82
               <br/>
               269 1941-05-01  2.81
               <br/>
               270 1941-06-01  2.77
               <br/>
               271 1941-07-01  2.74
               <br/>
               272 1941-08-01  2.74
               <br/>
               273 1941-09-01  2.75
               <br/>
               274 1941-10-01  2.73
               <br/>
               275 1941-11-01  2.72
               <br/>
               276 1941-12-01  2.80
               <br/>
               277 1942-01-01  2.83
               <br/>
               278 1942-02-01  2.85
               <br/>
               279 1942-03-01  2.86
               <br/>
               280 1942-04-01  2.83
               <br/>
               281 1942-05-01  2.85
               <br/>
               282 1942-06-01  2.85
               <br/>
               283 1942-07-01  2.83
               <br/>
               284 1942-08-01  2.81
               <br/>
               285 1942-09-01  2.80
               <br/>
               286 1942-10-01  2.80
               <br/>
               287 1942-11-01  2.79
               <br/>
               288 1942-12-01  2.81
               <br/>
               289 1943-01-01  2.79
               <br/>
               290 1943-02-01  2.77
               <br/>
               291 1943-03-01  2.76
               <br/>
               292 1943-04-01  2.76
               <br/>
               293 1943-05-01  2.74
               <br/>
               294 1943-06-01  2.72
               <br/>
               295 1943-07-01  2.69
               <br/>
               296 1943-08-01  2.69
               <br/>
               297 1943-09-01  2.69
               <br/>
               298 1943-10-01  2.70
               <br/>
               299 1943-11-01  2.71
               <br/>
               300 1943-12-01  2.74
               <br/>
               301 1944-01-01  2.72
               <br/>
               302 1944-02-01  2.74
               <br/>
               303 1944-03-01  2.74
               <br/>
               304 1944-04-01  2.74
               <br/>
               305 1944-05-01  2.73
               <br/>
               306 1944-06-01  2.73
               <br/>
               307 1944-07-01  2.72
               <br/>
               308 1944-08-01  2.71
               <br/>
               309 1944-09-01  2.72
               <br/>
               310 1944-10-01  2.72
               <br/>
               311 1944-11-01  2.72
               <br/>
               312 1944-12-01  2.70
               <br/>
               313 1945-01-01  2.69
               <br/>
               314 1945-02-01  2.65
               <br/>
               315 1945-03-01  2.62
               <br/>
               316 1945-04-01  2.61
               <br/>
               317 1945-05-01  2.62
               <br/>
               318 1945-06-01  2.61
               <br/>
               319 1945-07-01  2.60
               <br/>
               320 1945-08-01  2.61
               <br/>
               321 1945-09-01  2.62
               <br/>
               322 1945-10-01  2.62
               <br/>
               323 1945-11-01  2.62
               <br/>
               324 1945-12-01  2.61
               <br/>
               325 1946-01-01  2.54
               <br/>
               326 1946-02-01  2.48
               <br/>
               327 1946-03-01  2.47
               <br/>
               328 1946-04-01  2.46
               <br/>
               329 1946-05-01  2.51
               <br/>
               330 1946-06-01  2.49
               <br/>
               331 1946-07-01  2.48
               <br/>
               332 1946-08-01  2.51
               <br/>
               333 1946-09-01  2.58
               <br/>
               334 1946-10-01  2.60
               <br/>
               335 1946-11-01  2.59
               <br/>
               336 1946-12-01  2.61
               <br/>
               337 1947-01-01  2.57
               <br/>
               338 1947-02-01  2.55
               <br/>
               339 1947-03-01  2.55
               <br/>
               340 1947-04-01  2.53
               <br/>
               341 1947-05-01  2.53
               <br/>
               342 1947-06-01  2.55
               <br/>
               343 1947-07-01  2.55
               <br/>
               344 1947-08-01  2.56
               <br/>
               345 1947-09-01  2.61
               <br/>
               346 1947-10-01  2.70
               <br/>
               347 1947-11-01  2.77
               <br/>
               348 1947-12-01  2.86
               <br/>
               349 1948-01-01  2.86
               <br/>
               350 1948-02-01  2.85
               <br/>
               351 1948-03-01  2.83
               <br/>
               352 1948-04-01  2.78
               <br/>
               353 1948-05-01  2.76
               <br/>
               354 1948-06-01  2.76
               <br/>
               355 1948-07-01  2.81
               <br/>
               356 1948-08-01  2.84
               <br/>
               357 1948-09-01  2.84
               <br/>
               358 1948-10-01  2.84
               <br/>
               359 1948-11-01  2.84
               <br/>
               360 1948-12-01  2.79
               <br/>
               361 1949-01-01  2.71
               <br/>
               362 1949-02-01  2.71
               <br/>
               363 1949-03-01  2.70
               <br/>
               364 1949-04-01  2.70
               <br/>
               365 1949-05-01  2.71
               <br/>
               366 1949-06-01  2.71
               <br/>
               367 1949-07-01  2.67
               <br/>
               368 1949-08-01  2.62
               <br/>
               369 1949-09-01  2.60
               <br/>
               370 1949-10-01  2.61
               <br/>
               371 1949-11-01  2.60
               <br/>
               372 1949-12-01  2.58
               <br/>
               373 1950-01-01  2.57
               <br/>
               374 1950-02-01  2.58
               <br/>
               375 1950-03-01  2.58
               <br/>
               376 1950-04-01  2.60
               <br/>
               377 1950-05-01  2.61
               <br/>
               378 1950-06-01  2.62
               <br/>
               379 1950-07-01  2.65
               <br/>
               380 1950-08-01  2.61
               <br/>
               381 1950-09-01  2.64
               <br/>
               382 1950-10-01  2.67
               <br/>
               383 1950-11-01  2.67
               <br/>
               384 1950-12-01  2.67
               <br/>
               385 1951-01-01  2.66
               <br/>
               386 1951-02-01  2.66
               <br/>
               387 1951-03-01  2.78
               <br/>
               388 1951-04-01  2.87
               <br/>
               389 1951-05-01  2.89
               <br/>
               390 1951-06-01  2.94
               <br/>
               391 1951-07-01  2.94
               <br/>
               392 1951-08-01  2.88
               <br/>
               393 1951-09-01  2.84
               <br/>
               394 1951-10-01  2.89
               <br/>
               395 1951-11-01  2.96
               <br/>
               396 1951-12-01  3.01
               <br/>
               397 1952-01-01  2.98
               <br/>
               398 1952-02-01  2.93
               <br/>
               399 1952-03-01  2.96
               <br/>
               400 1952-04-01  2.93
               <br/>
               401 1952-05-01  2.93
               <br/>
               402 1952-06-01  2.94
               <br/>
               403 1952-07-01  2.95
               <br/>
               404 1952-08-01  2.94
               <br/>
               405 1952-09-01  2.95
               <br/>
               406 1952-10-01  3.01
               <br/>
               407 1952-11-01  2.98
               <br/>
               408 1952-12-01  2.97
               <br/>
               409 1953-01-01  3.02
               <br/>
               410 1953-02-01  3.07
               <br/>
               411 1953-03-01  3.12
               <br/>
               412 1953-04-01  3.23
               <br/>
               413 1953-05-01  3.34
               <br/>
               414 1953-06-01  3.40
               <br/>
               415 1953-07-01  3.28
               <br/>
               416 1953-08-01  3.24
               <br/>
               417 1953-09-01  3.29
               <br/>
               418 1953-10-01  3.16
               <br/>
               419 1953-11-01  3.11
               <br/>
               420 1953-12-01  3.13
               <br/>
               421 1954-01-01  3.06
               <br/>
               422 1954-02-01  2.95
               <br/>
               423 1954-03-01  2.86
               <br/>
               424 1954-04-01  2.85
               <br/>
               425 1954-05-01  2.88
               <br/>
               426 1954-06-01  2.90
               <br/>
               427 1954-07-01  2.89
               <br/>
               428 1954-08-01  2.87
               <br/>
               429 1954-09-01  2.89
               <br/>
               430 1954-10-01  2.87
               <br/>
               431 1954-11-01  2.89
               <br/>
               432 1954-12-01  2.90
               <br/>
               433 1955-01-01  2.93
               <br/>
               434 1955-02-01  2.93
               <br/>
               435 1955-03-01  3.02
               <br/>
               436 1955-04-01  3.01
               <br/>
               437 1955-05-01  3.04
               <br/>
               438 1955-06-01  3.05
               <br/>
               439 1955-07-01  3.06
               <br/>
               440 1955-08-01  3.11
               <br/>
               441 1955-09-01  3.13
               <br/>
               442 1955-10-01  3.10
               <br/>
               443 1955-11-01  3.10
               <br/>
               444 1955-12-01  3.15
               <br/>
               445 1956-01-01  3.11
               <br/>
               446 1956-02-01  3.08
               <br/>
               447 1956-03-01  3.10
               <br/>
               448 1956-04-01  3.24
               <br/>
               449 1956-05-01  3.28
               <br/>
               450 1956-06-01  3.26
               <br/>
               451 1956-07-01  3.28
               <br/>
               452 1956-08-01  3.43
               <br/>
               453 1956-09-01  3.56
               <br/>
               454 1956-10-01  3.59
               <br/>
               455 1956-11-01  3.69
               <br/>
               456 1956-12-01  3.75
               <br/>
               457 1957-01-01  3.77
               <br/>
               458 1957-02-01  3.67
               <br/>
               459 1957-03-01  3.66
               <br/>
               460 1957-04-01  3.67
               <br/>
               461 1957-05-01  3.74
               <br/>
               462 1957-06-01  3.91
               <br/>
               463 1957-07-01  3.99
               <br/>
               464 1957-08-01  4.10
               <br/>
               465 1957-09-01  4.12
               <br/>
               466 1957-10-01  4.10
               <br/>
               467 1957-11-01  4.08
               <br/>
               468 1957-12-01  3.81
               <br/>
               469 1958-01-01  3.60
               <br/>
               470 1958-02-01  3.59
               <br/>
               471 1958-03-01  3.63
               <br/>
               472 1958-04-01  3.60
               <br/>
               473 1958-05-01  3.57
               <br/>
               474 1958-06-01  3.57
               <br/>
               475 1958-07-01  3.67
               <br/>
               476 1958-08-01  3.85
               <br/>
               477 1958-09-01  4.09
               <br/>
               478 1958-10-01  4.11
               <br/>
               479 1958-11-01  4.09
               <br/>
               480 1958-12-01  4.08
               <br/>
               481 1959-01-01  4.12
               <br/>
               482 1959-02-01  4.14
               <br/>
               483 1959-03-01  4.13
               <br/>
               484 1959-04-01  4.23
               <br/>
               485 1959-05-01  4.37
               <br/>
               486 1959-06-01  4.46
               <br/>
               487 1959-07-01  4.47
               <br/>
               488 1959-08-01  4.43
               <br/>
               489 1959-09-01  4.52
               <br/>
               490 1959-10-01  4.57
               <br/>
               491 1959-11-01  4.56
               <br/>
               492 1959-12-01  4.58
               <br/>
               493 1960-01-01  4.61
               <br/>
               494 1960-02-01  4.56
               <br/>
               495 1960-03-01  4.49
               <br/>
               496 1960-04-01  4.45
               <br/>
               497 1960-05-01  4.46
               <br/>
               498 1960-06-01  4.45
               <br/>
               499 1960-07-01  4.41
               <br/>
               500 1960-08-01  4.28
               <br/>
               501  1960-09-01  4.25
               <br/>
               502  1960-10-01  4.30
               <br/>
               503  1960-11-01  4.31
               <br/>
               504  1960-12-01  4.35
               <br/>
               505  1961-01-01  4.32
               <br/>
               506  1961-02-01  4.27
               <br/>
               507  1961-03-01  4.22
               <br/>
               508  1961-04-01  4.25
               <br/>
               509  1961-05-01  4.27
               <br/>
               510  1961-06-01  4.33
               <br/>
               511  1961-07-01  4.41
               <br/>
               512  1961-08-01  4.45
               <br/>
               513  1961-09-01  4.45
               <br/>
               514  1961-10-01  4.42
               <br/>
               515  1961-11-01  4.39
               <br/>
               516  1961-12-01  4.42
               <br/>
               517  1962-01-01  4.42
               <br/>
               518  1962-02-01  4.42
               <br/>
               519  1962-03-01  4.39
               <br/>
               520  1962-04-01  4.33
               <br/>
               521  1962-05-01  4.28
               <br/>
               522  1962-06-01  4.28
               <br/>
               523  1962-07-01  4.34
               <br/>
               524  1962-08-01  4.35
               <br/>
               525  1962-09-01  4.32
               <br/>
               526  1962-10-01  4.28
               <br/>
               527  1962-11-01  4.25
               <br/>
               528  1962-12-01  4.24
               <br/>
               529  1963-01-01  4.21
               <br/>
               530  1963-02-01  4.19
               <br/>
               531  1963-03-01  4.19
               <br/>
               532  1963-04-01  4.21
               <br/>
               533  1963-05-01  4.22
               <br/>
               534  1963-06-01  4.23
               <br/>
               535  1963-07-01  4.26
               <br/>
               536  1963-08-01  4.29
               <br/>
               537  1963-09-01  4.31
               <br/>
               538  1963-10-01  4.32
               <br/>
               539  1963-11-01  4.33
               <br/>
               540  1963-12-01  4.35
               <br/>
               541  1964-01-01  4.39
               <br/>
               542  1964-02-01  4.36
               <br/>
               543  1964-03-01  4.38
               <br/>
               544  1964-04-01  4.40
               <br/>
               545  1964-05-01  4.41
               <br/>
               546  1964-06-01  4.41
               <br/>
               547  1964-07-01  4.40
               <br/>
               548  1964-08-01  4.41
               <br/>
               549  1964-09-01  4.42
               <br/>
               550  1964-10-01  4.42
               <br/>
               551  1964-11-01  4.43
               <br/>
               552  1964-12-01  4.44
               <br/>
               553  1965-01-01  4.43
               <br/>
               554  1965-02-01  4.41
               <br/>
               555  1965-03-01  4.42
               <br/>
               556  1965-04-01  4.43
               <br/>
               557  1965-05-01  4.44
               <br/>
               558  1965-06-01  4.46
               <br/>
               559  1965-07-01  4.48
               <br/>
               560  1965-08-01  4.49
               <br/>
               561  1965-09-01  4.52
               <br/>
               562  1965-10-01  4.56
               <br/>
               563  1965-11-01  4.60
               <br/>
               564  1965-12-01  4.68
               <br/>
               565  1966-01-01  4.74
               <br/>
               566  1966-02-01  4.78
               <br/>
               567  1966-03-01  4.92
               <br/>
               568  1966-04-01  4.96
               <br/>
               569  1966-05-01  4.98
               <br/>
               570  1966-06-01  5.07
               <br/>
               571  1966-07-01  5.16
               <br/>
               572  1966-08-01  5.31
               <br/>
               573  1966-09-01  5.49
               <br/>
               574  1966-10-01  5.41
               <br/>
               575  1966-11-01  5.35
               <br/>
               576  1966-12-01  5.39
               <br/>
               577  1967-01-01  5.20
               <br/>
               578  1967-02-01  5.03
               <br/>
               579  1967-03-01  5.13
               <br/>
               580  1967-04-01  5.11
               <br/>
               581  1967-05-01  5.24
               <br/>
               582  1967-06-01  5.44
               <br/>
               583  1967-07-01  5.58
               <br/>
               584  1967-08-01  5.62
               <br/>
               585  1967-09-01  5.65
               <br/>
               586  1967-10-01  5.82
               <br/>
               587  1967-11-01  6.07
               <br/>
               588  1967-12-01  6.19
               <br/>
               589  1968-01-01  6.17
               <br/>
               590  1968-02-01  6.10
               <br/>
               591  1968-03-01  6.11
               <br/>
               592  1968-04-01  6.21
               <br/>
               593  1968-05-01  6.27
               <br/>
               594  1968-06-01  6.28
               <br/>
               595  1968-07-01  6.24
               <br/>
               596  1968-08-01  6.02
               <br/>
               597  1968-09-01  5.97
               <br/>
               598  1968-10-01  6.09
               <br/>
               599  1968-11-01  6.19
               <br/>
               600  1968-12-01  6.45
               <br/>
               601  1969-01-01  6.59
               <br/>
               602  1969-02-01  6.66
               <br/>
               603  1969-03-01  6.85
               <br/>
               604  1969-04-01  6.89
               <br/>
               605  1969-05-01  6.79
               <br/>
               606  1969-06-01  6.98
               <br/>
               607  1969-07-01  7.08
               <br/>
               608  1969-08-01  6.97
               <br/>
               609  1969-09-01  7.14
               <br/>
               610  1969-10-01  7.33
               <br/>
               611  1969-11-01  7.35
               <br/>
               612  1969-12-01  7.72
               <br/>
               613  1970-01-01  7.91
               <br/>
               614  1970-02-01  7.93
               <br/>
               615  1970-03-01  7.84
               <br/>
               616  1970-04-01  7.83
               <br/>
               617  1970-05-01  8.11
               <br/>
               618  1970-06-01  8.48
               <br/>
               619  1970-07-01  8.44
               <br/>
               620  1970-08-01  8.13
               <br/>
               621  1970-09-01  8.09
               <br/>
               622  1970-10-01  8.03
               <br/>
               623  1970-11-01  8.05
               <br/>
               624  1970-12-01  7.64
               <br/>
               625  1971-01-01  7.36
               <br/>
               626  1971-02-01  7.08
               <br/>
               627  1971-03-01  7.21
               <br/>
               628  1971-04-01  7.25
               <br/>
               629  1971-05-01  7.53
               <br/>
               630  1971-06-01  7.64
               <br/>
               631  1971-07-01  7.64
               <br/>
               632  1971-08-01  7.59
               <br/>
               633  1971-09-01  7.44
               <br/>
               634  1971-10-01  7.39
               <br/>
               635  1971-11-01  7.26
               <br/>
               636  1971-12-01  7.25
               <br/>
               637  1972-01-01  7.19
               <br/>
               638  1972-02-01  7.27
               <br/>
               639  1972-03-01  7.24
               <br/>
               640  1972-04-01  7.30
               <br/>
               641  1972-05-01  7.30
               <br/>
               642  1972-06-01  7.23
               <br/>
               643  1972-07-01  7.21
               <br/>
               644  1972-08-01  7.19
               <br/>
               645  1972-09-01  7.22
               <br/>
               646  1972-10-01  7.21
               <br/>
               647  1972-11-01  7.12
               <br/>
               648  1972-12-01  7.08
               <br/>
               649  1973-01-01  7.15
               <br/>
               650  1973-02-01  7.22
               <br/>
               651  1973-03-01  7.29
               <br/>
               652  1973-04-01  7.26
               <br/>
               653  1973-05-01  7.29
               <br/>
               654  1973-06-01  7.37
               <br/>
               655  1973-07-01  7.45
               <br/>
               656  1973-08-01  7.68
               <br/>
               657  1973-09-01  7.63
               <br/>
               658  1973-10-01  7.60
               <br/>
               659  1973-11-01  7.67
               <br/>
               660  1973-12-01  7.68
               <br/>
               661  1974-01-01  7.83
               <br/>
               662  1974-02-01  7.85
               <br/>
               663  1974-03-01  8.01
               <br/>
               664  1974-04-01  8.25
               <br/>
               665  1974-05-01  8.37
               <br/>
               666  1974-06-01  8.47
               <br/>
               667  1974-07-01  8.72
               <br/>
               668  1974-08-01  9.00
               <br/>
               669  1974-09-01  9.24
               <br/>
               670  1974-10-01  9.27
               <br/>
               671  1974-11-01  8.89
               <br/>
               672  1974-12-01  8.89
               <br/>
               673  1975-01-01  8.83
               <br/>
               674  1975-02-01  8.62
               <br/>
               675  1975-03-01  8.67
               <br/>
               676  1975-04-01  8.95
               <br/>
               677  1975-05-01  8.90
               <br/>
               678  1975-06-01  8.77
               <br/>
               679  1975-07-01  8.84
               <br/>
               680  1975-08-01  8.95
               <br/>
               681  1975-09-01  8.95
               <br/>
               682  1975-10-01  8.86
               <br/>
               683  1975-11-01  8.78
               <br/>
               684  1975-12-01  8.79
               <br/>
               685  1976-01-01  8.60
               <br/>
               686  1976-02-01  8.55
               <br/>
               687  1976-03-01  8.52
               <br/>
               688  1976-04-01  8.40
               <br/>
               689  1976-05-01  8.58
               <br/>
               690  1976-06-01  8.62
               <br/>
               691  1976-07-01  8.56
               <br/>
               692  1976-08-01  8.45
               <br/>
               693  1976-09-01  8.38
               <br/>
               694  1976-10-01  8.32
               <br/>
               695  1976-11-01  8.25
               <br/>
               696  1976-12-01  7.98
               <br/>
               697  1977-01-01  7.96
               <br/>
               698  1977-02-01  8.04
               <br/>
               699  1977-03-01  8.10
               <br/>
               700  1977-04-01  8.04
               <br/>
               701  1977-05-01  8.05
               <br/>
               702  1977-06-01  7.95
               <br/>
               703  1977-07-01  7.94
               <br/>
               704  1977-08-01  7.98
               <br/>
               705  1977-09-01  7.92
               <br/>
               706  1977-10-01  8.04
               <br/>
               707  1977-11-01  8.08
               <br/>
               708  1977-12-01  8.19
               <br/>
               709  1978-01-01  8.41
               <br/>
               710  1978-02-01  8.47
               <br/>
               711  1978-03-01  8.47
               <br/>
               712  1978-04-01  8.56
               <br/>
               713  1978-05-01  8.69
               <br/>
               714  1978-06-01  8.76
               <br/>
               715  1978-07-01  8.88
               <br/>
               716  1978-08-01  8.69
               <br/>
               717  1978-09-01  8.69
               <br/>
               718  1978-10-01  8.89
               <br/>
               719  1978-11-01  9.03
               <br/>
               720  1978-12-01  9.16
               <br/>
               721  1979-01-01  9.25
               <br/>
               722  1979-02-01  9.26
               <br/>
               723  1979-03-01  9.37
               <br/>
               724  1979-04-01  9.38
               <br/>
               725  1979-05-01  9.50
               <br/>
               726  1979-06-01  9.29
               <br/>
               727  1979-07-01  9.20
               <br/>
               728  1979-08-01  9.23
               <br/>
               729  1979-09-01  9.44
               <br/>
               730  1979-10-01 10.13
               <br/>
               731  1979-11-01 10.76
               <br/>
               732  1979-12-01 10.74
               <br/>
               733  1980-01-01 11.09
               <br/>
               734  1980-02-01 12.38
               <br/>
               735  1980-03-01 12.96
               <br/>
               736  1980-04-01 12.04
               <br/>
               737  1980-05-01 10.99
               <br/>
               738  1980-06-01 10.58
               <br/>
               739  1980-07-01 11.07
               <br/>
               740  1980-08-01 11.64
               <br/>
               741  1980-09-01 12.02
               <br/>
               742  1980-10-01 12.31
               <br/>
               743  1980-11-01 12.97
               <br/>
               744  1980-12-01 13.21
               <br/>
               745  1981-01-01 12.81
               <br/>
               746  1981-02-01 13.35
               <br/>
               747  1981-03-01 13.33
               <br/>
               748  1981-04-01 13.88
               <br/>
               749  1981-05-01 14.32
               <br/>
               750  1981-06-01 13.75
               <br/>
               751  1981-07-01 14.38
               <br/>
               752  1981-08-01 14.89
               <br/>
               753  1981-09-01 15.49
               <br/>
               754  1981-10-01 15.40
               <br/>
               755  1981-11-01 14.22
               <br/>
               756  1981-12-01 14.23
               <br/>
               757  1982-01-01 15.18
               <br/>
               758  1982-02-01 15.27
               <br/>
               759  1982-03-01 14.58
               <br/>
               760  1982-04-01 14.46
               <br/>
               761  1982-05-01 14.26
               <br/>
               762  1982-06-01 14.81
               <br/>
               763  1982-07-01 14.61
               <br/>
               764  1982-08-01 13.71
               <br/>
               765  1982-09-01 12.94
               <br/>
               766  1982-10-01 12.12
               <br/>
               767  1982-11-01 11.68
               <br/>
               768  1982-12-01 11.83
               <br/>
               769  1983-01-01 11.79
               <br/>
               770  1983-02-01 12.01
               <br/>
               771  1983-03-01 11.73
               <br/>
               772  1983-04-01 11.51
               <br/>
               773  1983-05-01 11.46
               <br/>
               774  1983-06-01 11.74
               <br/>
               775  1983-07-01 12.15
               <br/>
               776  1983-08-01 12.51
               <br/>
               777  1983-09-01 12.37
               <br/>
               778  1983-10-01 12.25
               <br/>
               779  1983-11-01 12.41
               <br/>
               780  1983-12-01 12.57
               <br/>
               781  1984-01-01 12.20
               <br/>
               782  1984-02-01 12.08
               <br/>
               783  1984-03-01 12.57
               <br/>
               784  1984-04-01 12.81
               <br/>
               785  1984-05-01 13.28
               <br/>
               786  1984-06-01 13.55
               <br/>
               787  1984-07-01 13.44
               <br/>
               788  1984-08-01 12.87
               <br/>
               789  1984-09-01 12.66
               <br/>
               790  1984-10-01 12.63
               <br/>
               791  1984-11-01 12.29
               <br/>
               792  1984-12-01 12.13
               <br/>
               793  1985-01-01 12.08
               <br/>
               794  1985-02-01 12.13
               <br/>
               795  1985-03-01 12.56
               <br/>
               796  1985-04-01 12.23
               <br/>
               797  1985-05-01 11.72
               <br/>
               798  1985-06-01 10.94
               <br/>
               799  1985-07-01 10.97
               <br/>
               800  1985-08-01 11.05
               <br/>
               801  1985-09-01 11.07
               <br/>
               802  1985-10-01 11.02
               <br/>
               803  1985-11-01 10.55
               <br/>
               804  1985-12-01 10.16
               <br/>
               805  1986-01-01 10.05
               <br/>
               806  1986-02-01  9.67
               <br/>
               807  1986-03-01  9.00
               <br/>
               808  1986-04-01  8.79
               <br/>
               809  1986-05-01  9.09
               <br/>
               810  1986-06-01  9.13
               <br/>
               811  1986-07-01  8.88
               <br/>
               812  1986-08-01  8.72
               <br/>
               813  1986-09-01  8.89
               <br/>
               814  1986-10-01  8.86
               <br/>
               815  1986-11-01  8.68
               <br/>
               816  1986-12-01  8.49
               <br/>
               817  1987-01-01  8.36
               <br/>
               818  1987-02-01  8.38
               <br/>
               819  1987-03-01  8.36
               <br/>
               820  1987-04-01  8.85
               <br/>
               821  1987-05-01  9.33
               <br/>
               822  1987-06-01  9.32
               <br/>
               823  1987-07-01  9.42
               <br/>
               824  1987-08-01  9.67
               <br/>
               825  1987-09-01 10.18
               <br/>
               826  1987-10-01 10.52
               <br/>
               827  1987-11-01 10.01
               <br/>
               828  1987-12-01 10.11
               <br/>
               829  1988-01-01  9.88
               <br/>
               830  1988-02-01  9.40
               <br/>
               831  1988-03-01  9.39
               <br/>
               832  1988-04-01  9.67
               <br/>
               833  1988-05-01  9.90
               <br/>
               834  1988-06-01  9.86
               <br/>
               835  1988-07-01  9.96
               <br/>
               836  1988-08-01 10.11
               <br/>
               837  1988-09-01  9.82
               <br/>
               838  1988-10-01  9.51
               <br/>
               839  1988-11-01  9.45
               <br/>
               840  1988-12-01  9.57
               <br/>
               841  1989-01-01  9.62
               <br/>
               842  1989-02-01  9.64
               <br/>
               843  1989-03-01  9.80
               <br/>
               844  1989-04-01  9.79
               <br/>
               845  1989-05-01  9.57
               <br/>
               846  1989-06-01  9.10
               <br/>
               847  1989-07-01  8.93
               <br/>
               848  1989-08-01  8.96
               <br/>
               849  1989-09-01  9.01
               <br/>
               850  1989-10-01  8.92
               <br/>
               851  1989-11-01  8.89
               <br/>
               852  1989-12-01  8.86
               <br/>
               853  1990-01-01  8.99
               <br/>
               854  1990-02-01  9.22
               <br/>
               855  1990-03-01  9.37
               <br/>
               856  1990-04-01  9.46
               <br/>
               857  1990-05-01  9.47
               <br/>
               858  1990-06-01  9.26
               <br/>
               859  1990-07-01  9.24
               <br/>
               860  1990-08-01  9.41
               <br/>
               861  1990-09-01  9.56
               <br/>
               862  1990-10-01  9.53
               <br/>
               863  1990-11-01  9.30
               <br/>
               864  1990-12-01  9.05
               <br/>
               865  1991-01-01  9.04
               <br/>
               866  1991-02-01  8.83
               <br/>
               867  1991-03-01  8.93
               <br/>
               868  1991-04-01  8.86
               <br/>
               869  1991-05-01  8.86
               <br/>
               870  1991-06-01  9.01
               <br/>
               871  1991-07-01  9.00
               <br/>
               872  1991-08-01  8.75
               <br/>
               873  1991-09-01  8.61
               <br/>
               874  1991-10-01  8.55
               <br/>
               875  1991-11-01  8.48
               <br/>
               876  1991-12-01  8.31
               <br/>
               877  1992-01-01  8.20
               <br/>
               878  1992-02-01  8.29
               <br/>
               879  1992-03-01  8.35
               <br/>
               880  1992-04-01  8.33
               <br/>
               881  1992-05-01  8.28
               <br/>
               882  1992-06-01  8.22
               <br/>
               883  1992-07-01  8.07
               <br/>
               884  1992-08-01  7.95
               <br/>
               885  1992-09-01  7.92
               <br/>
               886  1992-10-01  7.99
               <br/>
               887  1992-11-01  8.10
               <br/>
               888  1992-12-01  7.98
               <br/>
               889  1993-01-01  7.91
               <br/>
               890  1993-02-01  7.71
               <br/>
               891  1993-03-01  7.58
               <br/>
               892  1993-04-01  7.46
               <br/>
               893  1993-05-01  7.43
               <br/>
               894  1993-06-01  7.33
               <br/>
               895  1993-07-01  7.17
               <br/>
               896  1993-08-01  6.85
               <br/>
               897  1993-09-01  6.66
               <br/>
               898  1993-10-01  6.67
               <br/>
               899  1993-11-01  6.93
               <br/>
               900  1993-12-01  6.93
               <br/>
               901  1994-01-01  6.92
               <br/>
               902  1994-02-01  7.08
               <br/>
               903  1994-03-01  7.48
               <br/>
               904  1994-04-01  7.88
               <br/>
               905  1994-05-01  7.99
               <br/>
               906  1994-06-01  7.97
               <br/>
               907  1994-07-01  8.11
               <br/>
               908  1994-08-01  8.07
               <br/>
               909  1994-09-01  8.34
               <br/>
               910  1994-10-01  8.57
               <br/>
               911  1994-11-01  8.68
               <br/>
               912  1994-12-01  8.46
               <br/>
               913  1995-01-01  8.46
               <br/>
               914  1995-02-01  8.26
               <br/>
               915  1995-03-01  8.12
               <br/>
               916  1995-04-01  8.03
               <br/>
               917  1995-05-01  7.65
               <br/>
               918  1995-06-01  7.30
               <br/>
               919  1995-07-01  7.41
               <br/>
               920  1995-08-01  7.57
               <br/>
               921  1995-09-01  7.32
               <br/>
               922  1995-10-01  7.12
               <br/>
               923  1995-11-01  7.02
               <br/>
               924  1995-12-01  6.82
               <br/>
               925  1996-01-01  6.81
               <br/>
               926  1996-02-01  6.99
               <br/>
               927  1996-03-01  7.35
               <br/>
               928  1996-04-01  7.50
               <br/>
               929  1996-05-01  7.62
               <br/>
               930  1996-06-01  7.71
               <br/>
               931  1996-07-01  7.65
               <br/>
               932  1996-08-01  7.46
               <br/>
               933  1996-09-01  7.66
               <br/>
               934  1996-10-01  7.39
               <br/>
               935  1996-11-01  7.10
               <br/>
               936  1996-12-01  7.20
               <br/>
               937  1997-01-01  7.42
               <br/>
               938  1997-02-01  7.31
               <br/>
               939  1997-03-01  7.55
               <br/>
               940  1997-04-01  7.73
               <br/>
               941  1997-05-01  7.58
               <br/>
               942  1997-06-01  7.41
               <br/>
               943  1997-07-01  7.14
               <br/>
               944  1997-08-01  7.22
               <br/>
               945  1997-09-01  7.15
               <br/>
               946  1997-10-01  7.00
               <br/>
               947  1997-11-01  6.87
               <br/>
               948  1997-12-01  6.76
               <br/>
               949  1998-01-01  6.61
               <br/>
               950  1998-02-01  6.67
               <br/>
               951  1998-03-01  6.72
               <br/>
               952  1998-04-01  6.69
               <br/>
               953  1998-05-01  6.69
               <br/>
               954  1998-06-01  6.53
               <br/>
               955  1998-07-01  6.55
               <br/>
               956  1998-08-01  6.52
               <br/>
               957  1998-09-01  6.40
               <br/>
               958  1998-10-01  6.37
               <br/>
               959  1998-11-01  6.41
               <br/>
               960  1998-12-01  6.22
               <br/>
               961  1999-01-01  6.24
               <br/>
               962  1999-02-01  6.40
               <br/>
               963  1999-03-01  6.62
               <br/>
               964  1999-04-01  6.64
               <br/>
               965  1999-05-01  6.93
               <br/>
               966  1999-06-01  7.23
               <br/>
               967  1999-07-01  7.19
               <br/>
               968  1999-08-01  7.40
               <br/>
               969  1999-09-01  7.39
               <br/>
               970  1999-10-01  7.55
               <br/>
               971  1999-11-01  7.36
               <br/>
               972  1999-12-01  7.55
               <br/>
               973  2000-01-01  7.78
               <br/>
               974  2000-02-01  7.68
               <br/>
               975  2000-03-01  7.68
               <br/>
               976  2000-04-01  7.64
               <br/>
               977  2000-05-01  7.99
               <br/>
               978  2000-06-01  7.67
               <br/>
               979  2000-07-01  7.65
               <br/>
               980  2000-08-01  7.55
               <br/>
               981  2000-09-01  7.62
               <br/>
               982  2000-10-01  7.55
               <br/>
               983  2000-11-01  7.45
               <br/>
               984  2000-12-01  7.21
               <br/>
               985  2001-01-01  7.15
               <br/>
               986  2001-02-01  7.10
               <br/>
               987  2001-03-01  6.98
               <br/>
               988  2001-04-01  7.20
               <br/>
               989  2001-05-01  7.29
               <br/>
               990  2001-06-01  7.18
               <br/>
               991  2001-07-01  7.13
               <br/>
               992  2001-08-01  7.02
               <br/>
               993  2001-09-01  7.17
               <br/>
               994  2001-10-01  7.03
               <br/>
               995  2001-11-01  6.97
               <br/>
               996  2001-12-01  6.77
               <br/>
               997  2002-01-01  6.55
               <br/>
               998  2002-02-01  6.51
               <br/>
               999  2002-03-01  6.81
               <br/>
               1000 2002-04-01  6.76
               <br/>
               1001 2002-05-01  6.75
               <br/>
               1002 2002-06-01  6.63
               <br/>
               1003 2002-07-01  6.53
               <br/>
               1004 2002-08-01  6.37
               <br/>
               1005 2002-09-01  6.15
               <br/>
               1006 2002-10-01  6.32
               <br/>
               1007 2002-11-01  6.31
               <br/>
               1008 2002-12-01  6.21
               <br/>
               1009 2003-01-01  6.17
               <br/>
               1010 2003-02-01  5.95
               <br/>
               1011 2003-03-01  5.89
               <br/>
               1012 2003-04-01  5.74
               <br/>
               1013 2003-05-01  5.22
               <br/>
               1014 2003-06-01  4.97
               <br/>
               1015 2003-07-01  5.49
               <br/>
               1016 2003-08-01  5.88
               <br/>
               1017 2003-09-01  5.72
               <br/>
               1018 2003-10-01  5.70
               <br/>
               1019 2003-11-01  5.65
               <br/>
               1020 2003-12-01  5.62
               <br/>
               1021 2004-01-01  5.54
               <br/>
               1022 2004-02-01  5.50
               <br/>
               1023 2004-03-01  5.33
               <br/>
               1024 2004-04-01  5.73
               <br/>
               1025 2004-05-01  6.04
               <br/>
               1026 2004-06-01  6.01
               <br/>
               1027 2004-07-01  5.82
               <br/>
               1028 2004-08-01  5.65
               <br/>
               1029 2004-09-01  5.46
               <br/>
               1030 2004-10-01  5.47
               <br/>
               1031 2004-11-01  5.52
               <br/>
               1032 2004-12-01  5.47
               <br/>
               1033 2005-01-01  5.36
               <br/>
               1034 2005-02-01  5.20
               <br/>
               1035 2005-03-01  5.40
               <br/>
               1036 2005-04-01  5.33
               <br/>
               1037 2005-05-01  5.15
               <br/>
               1038 2005-06-01  4.96
               <br/>
               1039 2005-07-01  5.06
               <br/>
               1040 2005-08-01  5.09
               <br/>
               1041 2005-09-01  5.13
               <br/>
               1042 2005-10-01  5.35
               <br/>
               1043 2005-11-01  5.42
               <br/>
               1044 2005-12-01  5.37
               <br/>
               1045 2006-01-01  5.29
               <br/>
               1046 2006-02-01  5.35
               <br/>
               1047 2006-03-01  5.53
               <br/>
               1048 2006-04-01  5.84
               <br/>
               1049 2006-05-01  5.95
               <br/>
               1050 2006-06-01  5.89
               <br/>
               1051 2006-07-01  5.85
               <br/>
               1052 2006-08-01  5.68
               <br/>
               1053 2006-09-01  5.51
               <br/>
               1054 2006-10-01  5.51
               <br/>
               1055 2006-11-01  5.33
               <br/>
               1056 2006-12-01  5.32
               <br/>
               1057 2007-01-01  5.40
               <br/>
               1058 2007-02-01  5.39
               <br/>
               1059 2007-03-01  5.30
               <br/>
               1060 2007-04-01  5.47
               <br/>
               1061 2007-05-01  5.47
               <br/>
               1062 2007-06-01  5.79
               <br/>
               1063 2007-07-01  5.73
               <br/>
               1064 2007-08-01  5.79
               <br/>
               1065 2007-09-01  5.74
               <br/>
               1066 2007-10-01  5.66
               <br/>
               1067 2007-11-01  5.44
               <br/>
               1068 2007-12-01  5.49
               <br/>
               1069 2008-01-01  5.33
               <br/>
               1070 2008-02-01  5.53
               <br/>
               1071 2008-03-01  5.51
               <br/>
               1072 2008-04-01  5.55
               <br/>
               1073 2008-05-01  5.57
               <br/>
               1074 2008-06-01  5.68
               <br/>
               1075 2008-07-01  5.67
               <br/>
               1076 2008-08-01  5.64
               <br/>
               1077 2008-09-01  5.65
               <br/>
               1078 2008-10-01  6.28
               <br/>
               1079 2008-11-01  6.12
               <br/>
               1080 2008-12-01  5.05
               <br/>
               1081 2009-01-01  5.05
               <br/>
               1082 2009-02-01  5.27
               <br/>
               1083 2009-03-01  5.50
               <br/>
               1084 2009-04-01  5.39
               <br/>
               1085 2009-05-01  5.54
               <br/>
               1086 2009-06-01  5.61
               <br/>
               1087 2009-07-01  5.41
               <br/>
               1088 2009-08-01  5.26
               <br/>
               1089 2009-09-01  5.13
               <br/>
               1090 2009-10-01  5.15
               <br/>
               1091 2009-11-01  5.19
               <br/>
               1092 2009-12-01  5.26
               <br/>
               1093 2010-01-01  5.26
               <br/>
               1094 2010-02-01  5.35
               <br/>
               1095 2010-03-01  5.27
               <br/>
               1096 2010-04-01  5.29
               <br/>
               1097 2010-05-01  4.96
               <br/>
               1098 2010-06-01  4.88
               <br/>
               1099 2010-07-01  4.72
               <br/>
               1100 2010-08-01  4.49
               <br/>
               1101 2010-09-01  4.53
               <br/>
               1102 2010-10-01  4.68
               <br/>
               1103 2010-11-01  4.87
               <br/>
               1104 2010-12-01  5.02
               <br/>
               1105 2011-01-01  5.04
               <br/>
               1106 2011-02-01  5.22
               <br/>
               1107 2011-03-01  5.13
               <br/>
               1108 2011-04-01  5.16
               <br/>
               1109 2011-05-01  4.96
               <br/>
               1110 2011-06-01  4.99
               <br/>
               1111 2011-07-01  4.93
               <br/>
               1112 2011-08-01  4.37
               <br/>
               1113 2011-09-01  4.09
               <br/>
               1114 2011-10-01  3.98
               <br/>
               1115 2011-11-01  3.87
               <br/>
               1116 2011-12-01  3.93
               <br/>
               1117 2012-01-01  3.85
               <br/>
               1118 2012-02-01  3.85
               <br/>
               1119 2012-03-01  3.99
               <br/>
               1120 2012-04-01  3.96
               <br/>
               1121 2012-05-01  3.80
               <br/>
               1122 2012-06-01  3.64
               <br/>
               1123 2012-07-01  3.40
               <br/>
               1124 2012-08-01  3.48
               <br/>
               1125 2012-09-01  3.49
              </p>
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               2012年10月22日 下午5:13
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              <p>
               补充问题：
               <br/>
               由于数据幅度较大，如果需要设置坐标轴刻度，比如在默认显示的10年刻度区间内显示更多坐标轴刻度信息，怎样设置参数，是需要在par()中的cex.axis设置还是在qplot中设置,如何设置？
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            <div class="bbp-reply-header" id="post-338628">
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               2012年10月26日 下午3:37
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               3 楼
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              <p>
               问题已解决，
               <br/>
               data_var[,1] &lt;- as.Date(data_var[,1]) #转换数据类型为Date
               <br/>
               data_var[,2] &lt;- as.integer(data_var[,2]) #转换数据类型为Integer
               <br/>
               这样就可以了。之前的VALUE列从数据库调用时为character数据类型。
               <br/>
               低级错误。。
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